Expansion of Product_{k>=1} 1 / (1 - x^k)^(k*(3*k + 2)).

Terms

a(0) =1a(1) =5a(2) =31a(3) =148a(4) =667a(5) =2754a(6) =10823a(7) =40393a(8) =145085a(9) =502780a(10) =1690603a(11) =5530649a(12) =17658430a(13) =55141520a(14) =168751779a(15) =506933980a(16) =1496999360a(17) =4350994324a(18) =12460305177a(19) =35192973824a(20) =98116587875a(21) =270220568883a(22) =735668636567